code: def get_class_from_str(class_str):
      components = class_str.split(".")
      mod = __import__(".".join(components[:-1]))
      for comp in components[1:]:
          mod = getattr(mod, comp)
      return mod
  
file_path: PaddleSeg/EISeg/eiseg/util/serialization.py
imports: from functools import wraps
  from copy import deepcopy
  import inspect
  import paddle.nn
label_desc: Use image node_id 6 for calling a global function with example usage: get_class_from_str(class_str) and returns: mod